Author name: jbnsl20@gmail.com

How the three-coil, no-contact construction of an LVDT turns core position into a signed output signal, and what to specify for valve and actuator position feedback.

How RTDs and thermocouples actually measure temperature, and which one fits a given wellsite or surface equipment application.

How a diaphragm, bonded strain gauges and a Wheatstone bridge turn process pressure into a clean electrical signal, and what actually determines accuracy in the field.